Double Tube Heat Exchangers

A double tube, or tube-in-tube, heat exchanger is used for efficient heat transfer between two fluids.

Double tube heat exchangers are designed whereby one tube is concentrically positioned within a larger tube. The double tube composition allows for unrestricted flow of product, making it the ideal heat exchanger for viscous products. The product flows through the inner tube and the service fluid flows through the surrounding shell.

HRS offers three types of double tube heat exchangers for a variety of applications:

Hygienic Double Tube Heat Exchangers – HRS DTA Series

A tube in tube heat exchanger for processing food with large particles. The large diameter of the inner tube allows food to be processed without blockages. Promotes high heat transfer and is easy to clean. A true counterpart for heating, cooling and pasteurisation.

Industrial Double Tube Heat Exchangers – HRS DTI Series

A tube in tube heat exchanger for processing sludge with large particles. The large diameter of the inner tube allows sludge to be processed without blockages. Promotes high heat transfer and is easy to clean. A true counterpart for digester heating, cooling, pasteurisation and sludge heat treatment.

Based on the DTI Series, but with an adapted design for direct energy recovery (product vs product) for sludge with low viscosity. The inner tube is removable making it possible to inspect/clean both tube and shell side.

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